售后无忧
品质保障
专业品质
硅标准溶液
50ml,1000ug/ml in 0.05mol/L NaOH
对二氯苯标准溶液
1ml,2000ug/ml in Purge and Trap Methanol
皮蝇磷标准溶液
1ml,analytical standard,100ug/ml in acetone
氯离子（Cl-）标准溶液
20ml,500μg/ml in Water (20℃)
1,2-二氯苯标准溶液
1ml,2000ug/ml in Purge and Trap Methanol
二甲基黄标准溶液
1ml,1000μg/ml,in Purge and Trap Methanol
镁标准溶液
20ml,浓度范围:0.197(mg/L),分析标准品
汞单元素标准溶液
20ml,1000ug/mL,in 3%HNO3
敌稗标准溶液
1ml,analytical standard,0.100mg/ml in methanol
溴甲烷标准溶液
1ml,1000μg/ml in Methanol
氯离子（Cl-）标准溶液
50ml,500μg/ml in Water (20℃)
地乐酚标准溶液
1ml,2000ug/ml in high purity Methanol
2,3-二氯-1,4-萘醌标准溶液
1ml,1000μg/ml,in Purge and Trap Methanol
镁标准溶液
80ml,100ug/ml in 5%HCl
西维因标准溶液
1ml,analytical standard,100ug/ml in acetone
氯离子（Cl-）标准溶液
20ml,1000μg/ml in Water (20℃)
p,p’-DDD标准溶液
1ml,1000ug/ml in Purge and Trap Methanol
敌螨普标准溶液
1ml,1000μg/ml,in Purge and Trap Methanol
镁标准溶液
80ml,1000ug/ml in 5%HCl
敌稗标准溶液
1ml,analytical standard,100μg/ml in ethanol
三价铬标准溶液
50ml,analytical standard,1000ug/ml, in 1.0 mol/L HCL
西维因标准溶液
1ml,analytical standard,10ug/ml in acetone
氯离子（Cl-）标准溶液
50ml,1000μg/ml in Water (20℃)
p,p’-DDE标准溶液
1ml,1000ug/ml in Purge and Trap Methanol
二苯胺标准溶液
1ml,1000μg/ml,in Purge and Trap Methanol
镁标准溶液
20ml,500mg/L in 1%HCl
敌稗标准溶液
1ml,analytical standard,10μg/ml in ethanol
铬标准溶液
20ml,500mg/L in water
氯离子标准溶液
20ml,100μg/ml in Water (20℃)
p,p’-DDT标准溶液
1ml,1000ug/ml in Purge and Trap Methanol
1,2,3,4-四氯苯标准溶液
1.2ml,analytical standard,1000ug/ml in methanol
铬标准溶液
20ml,analytical standard,100ug/ml in water
毒死蜱标准溶液
1ml,analytical standard,10ug/ml in acetone
铈标准溶液
50ml,1000ug/ml in 1.0mol/L HNO3
草乃敌标准溶液
1ml,1000ug/ml in Acetone
乙苯标准溶液
1ml,2000ug/ml in Purge and Trap Methanol
敌敌畏标准溶液
1ml,100μg/ml,基体:丙酮
禾草敌标准溶液
1ml,1.00mg / ml in methanol
钾标准溶液
20ml,1.35-4.29mg/L,in water
1,2,3,4-四氯苯标准溶液
2ml,analytical standard,0.105mg/ml in isooctane
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